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- Move header under CI images and convert to lowercase 
- Remove Features header
- Change wording on link to wiki
- Add link to Hacking wiki page
shamangeorge/beets,SusannaMaria/beets,beetbox/beets,shamangeorge/beets,beetbox/beets,ibmibmibm/beets,shamangeorge/beets,sampsyo/beets,beetbox/beets,ibmibmibm/beets,sampsyo/beets,jackwilsdon/beets,shamangeorge/beets,SusannaMaria/beets,ibmibmibm/beets,sampsyo/beets,ibmibmibm/beets,jackwilsdon/beets,jackwilsdon/beets,SusannaMaria/beets,sampsyo/beets,beetbox/beets,SusannaMaria/beets,jackwilsdon/beets